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xptcstubs_sparc_netbsd.cpp
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00001 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1999
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
00026  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
00029  * under the terms of either the GPL or the LGPL, and not to allow others to
00030  * use your version of this file under the terms of the MPL, indicate your
00031  * decision by deleting the provisions above and replace them with the notice
00032  * and other provisions required by the GPL or the LGPL. If you do not delete
00033  * the provisions above, a recipient may use your version of this file under
00034  * the terms of any one of the MPL, the GPL or the LGPL.
00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 /* Implement shared vtbl methods. */
00039 
00040 #include "xptcprivate.h"
00041 
00042 #if defined(sparc) || defined(__sparc__)
00043 
00044 extern "C" nsresult
00045 PrepareAndDispatch(nsXPTCStubBase* self, uint32 methodIndex, uint32* args)
00046 {
00047 
00048     typedef struct {
00049         uint32 hi;
00050         uint32 lo;
00051     } DU;               // have to move 64 bit entities as 32 bit halves since
00052                         // stack slots are not guaranteed 16 byte aligned
00053 
00054 #define PARAM_BUFFER_COUNT     16
00055 
00056     nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
00057     nsXPTCMiniVariant* dispatchParams = NULL;
00058     nsIInterfaceInfo* iface_info = NULL;
00059     const nsXPTMethodInfo* info;
00060     PRUint8 paramCount;
00061     PRUint8 i;
00062     nsresult result = NS_ERROR_FAILURE;
00063 
00064     NS_ASSERTION(self,"no self");
00065 
00066     self->GetInterfaceInfo(&iface_info);
00067     NS_ASSERTION(iface_info,"no interface info");
00068 
00069     iface_info->GetMethodInfo(PRUint16(methodIndex), &info);
00070     NS_ASSERTION(info,"no interface info");
00071 
00072     paramCount = info->GetParamCount();
00073 
00074     // setup variant array pointer
00075     if(paramCount > PARAM_BUFFER_COUNT)
00076         dispatchParams = new nsXPTCMiniVariant[paramCount];
00077     else
00078         dispatchParams = paramBuffer;
00079     NS_ASSERTION(dispatchParams,"no place for params");
00080 
00081     PRUint32* ap = args;
00082     for(i = 0; i < paramCount; i++, ap++)
00083     {
00084         const nsXPTParamInfo& param = info->GetParam(i);
00085         const nsXPTType& type = param.GetType();
00086         nsXPTCMiniVariant* dp = &dispatchParams[i];
00087 
00088         if(param.IsOut() || !type.IsArithmetic())
00089         {
00090             dp->val.p = (void*) *ap;
00091             continue;
00092         }
00093         // else
00094         switch(type)
00095         {
00096         case nsXPTType::T_I8     : dp->val.i8  = *((PRInt32*)  ap);       break;
00097         case nsXPTType::T_I16    : dp->val.i16 = *((PRInt32*) ap);       break;
00098         case nsXPTType::T_I32    : dp->val.i32 = *((PRInt32*) ap);       break;
00099         case nsXPTType::T_DOUBLE :
00100         case nsXPTType::T_U64    :
00101         case nsXPTType::T_I64    : ((DU *)dp)->hi = ((DU *)ap)->hi; 
00102                                    ((DU *)dp)->lo = ((DU *)ap)->lo;
00103                                    ap++;
00104                                    break;
00105         case nsXPTType::T_U8     : dp->val.u8  = *((PRUint32*) ap);       break;
00106         case nsXPTType::T_U16    : dp->val.u16 = *((PRUint32*)ap);       break;
00107         case nsXPTType::T_U32    : dp->val.u32 = *((PRUint32*)ap);       break;
00108         case nsXPTType::T_FLOAT  : dp->val.f   = *((float*)   ap);       break;
00109         case nsXPTType::T_BOOL   : dp->val.b   = *((PRBool*)  ap);       break;
00110         case nsXPTType::T_CHAR   : dp->val.c   = *((PRUint32*) ap);       break;
00111         case nsXPTType::T_WCHAR  : dp->val.wc  = *((PRInt32*) ap);       break;
00112         default:
00113             NS_ASSERTION(0, "bad type");
00114             break;
00115         }
00116     }
00117 
00118     result = self->CallMethod((PRUint16)methodIndex, info, dispatchParams);
00119 
00120     NS_RELEASE(iface_info);
00121 
00122     if(dispatchParams != paramBuffer)
00123         delete [] dispatchParams;
00124 
00125     return result;
00126 }
00127 
00128 extern "C" int SharedStub(int, int*);
00129 
00130 #define STUB_ENTRY(n) \
00131 nsresult nsXPTCStubBase::Stub##n() \
00132 { \
00133        int dummy; /* defeat tail-call optimization */ \
00134        return SharedStub(n, &dummy); \
00135 }
00136 
00137 #define SENTINEL_ENTRY(n) \
00138 nsresult nsXPTCStubBase::Sentinel##n() \
00139 { \
00140     NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \
00141     return NS_ERROR_NOT_IMPLEMENTED; \
00142 }
00143 
00144 #include "xptcstubsdef.inc"
00145 
00146 #endif /* sparc || __sparc__ */